What is the International VHF Emergency Frequency?

The International VHF Emergency Frequency is 121.5 MHz. This frequency is specifically designated for emergency distress communication in aviation as well as maritime operations. It is utilized by aircraft in distress to communicate with air traffic control, other aircraft, and rescue services. The choice of 121.5 MHz as the emergency frequency is standardized globally, facilitating international coordination for search and rescue operations. This frequency is monitored by air traffic control and search-and-rescue organizations to ensure immediate response capabilities.

Understanding the significance of this frequency is crucial for pilots, as it provides a dedicated channel for urgent communication. Familiarity with this frequency, among others on the VHF band, is vital for safe flight operations and emergency readiness.